SKU: 14074460822

FGF-21 Protein, Human

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Description

FGF-21 Protein, HumanProduct Specification Species Human Synonyms FGF 21; Fibroblast Growth Factor 21, FGF 21, FGF21 Accession Q9NSA1 1 Amino Acid Sequence His29 Ser209, with N terminal His Tag Expression System HEK293 Molecular Weight 25 28 KDa(Reducing) Purity 95%, by SDS PAGE under reducing conditions Endotoxin <0. 1EU g Conjugation Unconjugated Tag His Tag Physical Appearance Lyophilized Powder Storage Buffer PBS, pH7. 2, 5% trehalose Reconstitution Reconstitute at

Product Specification


Species Human
Synonyms FGF-21;Fibroblast Growth Factor 21, FGF-21, FGF21
Accession Q9NSA1-1
Amino Acid Sequence

His29-Ser209, with N-terminal His Tag

Expression System HEK293
Molecular Weight

25-28 KDa(Reducing)

Purity >95%, by SDS-PAGE under reducing conditions
Endotoxin <0.1EU/μg
Conjugation Unconjugated
Tag His Tag
Physical Appearance Lyophilized Powder
Storage Buffer

PBS, pH7.2, 5% trehalose

Reconstitution

Reconstitute at less than 1 mg/mL according to the size in ultrapure water after rapid centrifugation .

Stability & Storage

· 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.

· 3 months, -20 to -80℃ under sterile conditions after reconstitution.

· 1 week, 2 to 8℃ under sterile conditions after reconstitution.

· Please avoid repeated freeze-thaw cycles.

Background

Fibroblast growth factor 21 (FGF-21) is a member of the FGF gene family. According to its structure, it is further classified as a member of the FGF19 subfamily. The subfamily includes FGF-19,-21 and-23. FGF-21 is an effective adipocyte glucose uptake activator that protects animals from diet-induced obesity when overexpressed in transgenic mice and reduces blood glucose and triglyceride levels during treatment in diabetic rodents. Some studies have shown that FGF-21 is a biomarker for the diagnosis of mitochondrial diseases. FGF-21 can cross the blood-brain barrier and regulate the phosphorylation cascade and gene expression in the whole hypothalamus. Intracerebroventricular injection of FGF21 can increase metabolic rate and insulin sensitivity in rats, but the site of action is not clear.

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SKU: 14074460822

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Product Reviews
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Verified Purchase
Claudia Garfield
Lake Worth, US
★★★★★ 5
Perfect ball
Size: Medium
Our dog loves these!
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Reviewed in the United States on May 26, 2026
T
Verified Purchase
Timothy john starkweather
Birmingham, US
★★★★★ 4
Soild
Size: Medium
The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
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Reviewed in the United States on January 24, 2026
C
Verified Purchase
Christy D.
Carnegie, US
★★★★★ 5
Aggressive chewer who loves fetch approved!!
Size: Medium, Size: Medium
I highly recommend the Chuck-It brand in general, especially for dogs with an aggressive bite. These balls are awesome and are the most durable balls I’ve bought for my 50 lbs lab mix. He has not been able to break one of them yet and we’ve had a few of the squeaky balls for months. They are a bit pricey but worth it. The one in the pic has been used for months, lives outside and you can see it’s still in great shape.
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Reviewed in the United States on June 22, 2025
T
Verified Purchase
Tasha U
Omaha, US
★★★★★ 5
Good quality dog ball for playing fetch
Size: Medium
My dog and family love these chuck it balls to play fetch with our dog. They are durable and fun. They squeak which is added fun for any dog! Regular tennis balls my dog chews apart and they get pretty gross after playing and being left outside. These can be easily washed off and cleaned. These balls last! Would recommend to anyone with a dog and would purchase again.
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Reviewed in the United States on April 17, 2025
R
Verified Purchase
ryan johnson
Carnegie, US
★★★★★ 5
Tough and sturdy
Size: Medium
Have lasted my dog for years now and she is a tough chewer. Worth the money
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Reviewed in the United States on December 12, 2025

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